WA0010 String Trimmer Spool Line Replacement for Worx WG180 WG163 WG175 Electric String Trimmers, Auto Feed, 3m / 10ft 1.65mm / 0.065"(6 Spools, 2 Caps) You will receive: 6 pieces of trimmer spools and 2 pieces of trimmer caps, a total of 8 pieces, sufficient quantity for your use and replacement. Size: The thread spool has a length of 10 ft / 3 m and a diameter of 0.065 inch / 1.5 mm. The trimmer cap is 2.24 inches / 5.7 cm in diameter and 1.26 inches / 3.2 cm in height. Compatible for Worx string trimmer models: WG150, WG151, WG151.5, WG152, WG153, WG154, WG155, WG155.5, WG156, WG157, WG160, WG160.1, WG160.2, WG163, WG165,WG175, WG180. Replaces WORX WA0010 Thread Spool Easy to use: The Auto Feed System replacement spool frees you from tedious manual windings. Utilizes centrifugal force and aerodynamics to reduce drag and achieve fast cutting. Note: This grass trimmer edger line is only suitable for tender weed grass. Tough and strong weeds please use blades to trim. Package Included:6 x Spool;2 x Spool Cap Cover Meterial: nylon(red) Size: 3m / 10ft, 1.65mm / 0.065" This grass trimmer edger line is only suitable for tender weed grass. Tough and strong weeds please use blades to trim. Wear safety goggles and long pants when using this product to avoid injury from spilling lines. Choking hazard, small parts should keep away from children under 3 years. Strong weeds should use other tools such as blades to trim.